Tripod Leg Locking Handle for Faster Telescopic Setup

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Solution Overview

Problem

Conventional tripods require excessive time and physical effort for setup and adjustment due to the need for manual unlocking and locking of each telescopic section, which hampers speed and convenience, especially in dynamic environments like event photography or videography.

Innovation Solution

A tripod design featuring telescopic legs with a unified handle that controls all locking mechanisms, allowing for simultaneous unfolding, independent leg positioning, and locking, facilitated by a central tensioner system and conical surfaces for secure locking.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of time

If manual locking mechanisms are used for each telescopic section, then the tripod structure is simple, but the setup time and physical effort increase significantly

Engineering Contradiction:
Improvesetup timeVSAvoidlocking mechanism complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The patent combines three separate locking mechanisms into a single integrated locking system. The central support element features a unified locking mechanism that simultaneously controls all three telescopic legs, eliminating the need for three separate manual locking operations and significantly reducing setup time.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The central support element serves multiple functions: it provides structural support, houses the unified locking mechanism for all three legs, and enables simultaneous adjustment of all telescopic sections. This multi-functional design reduces the number of separate components needed.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If separate locking mechanisms are used for each leg, then each leg can be adjusted independently, but the operation becomes cumbersome and slow

Engineering Contradiction:
Improveoperation convenienceVSAvoidadjustment speed
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The patent merges the control of three independent legs into a single operational interface. The unified locking mechanism on the central support element allows the operator to adjust all three legs simultaneously with one action, greatly improving operational convenience and adjustment speed.

Inventive Principle:
Principle #5Merging (Combining)

3Productivity

If a unified locking mechanism is used to control all legs simultaneously, then the operation is simplified, but the ability to independently position each leg may be compromised

Engineering Contradiction:
Improvesetup speedVSAvoidindependent leg positioning
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent implements a dynamic locking system where the central support element can lock all three legs simultaneously for rapid setup, but also allows for selective unlocking and independent adjustment of individual legs when needed. This dynamic capability provides both speed and adaptability.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables rapid and effortless setup and adjustment of the tripod with a single handle operation, providing quick adjustment capabilities and enhanced stability during use.

Implementation Method 1

a spring located between the supports on a sleeve connected to the rod connected to the lower part of a connecting tube element

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The upper end of the upper section is fixedly connected to a basic hinged element... The lower end of the upper section is connected to a collet having a pass-through axial opening and two opposite inner conical surfaces, with a rod in the axial opening also provided with two opposite outer conical surfaces

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS11953145B2Tripod for shooting equipment
Publication Date: 2024.04.09 ZAHARIEV STOYKO GEORGIEV
  • US11953145B2 patent drawing
  • US11953145B2 patent drawing
  • US11953145B2 patent drawing

AI summary

A tripod has three adjacent telescopic legs with identical locking mechanisms connected to a handle located above the central support element. The handle actuates the locking mechanisms simultaneously and independently of one another, whereby the legs can be telescopically adjusted from the free state to the locked position in the desired position when unfolding or folding the tripod. Locking mechanisms provide stability when loading the tripod. The telescopic legs of the tripod are pivotally connected to the central support element, so the different angles of the legs do not affect the effective operation of the locking mechanisms.